ST. LOUIS, MISSOURI

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Elevation: 163 meters Latitude: 38 45N Longitude: 090 22W

WEATHER

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DAILY WEATHER AVERAGE - 18 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	1.6 ^°C	7.2 ^°C	-3.8 ^°C	17 ^°C (2002)	(2014)
Dewpoint	-3.4 ^°C	0.2 ^°C	-6.7 ^°C	14.4 ^°C (2002)	-18 ^°C (1998)
Humidity	72.5 ^%	90.2 ^%	52.8 ^%		28 ^% (1998)
Barometer	1018.6 ^hPa	1022.4 ^hPa	1014.6 ^hPa	1039.3 ^hPa (2005)	1000.3 ^hPa (2002)
Wind Speed	12.4 ^km/h	25.7 ^km/h		44.4 ^km/h (2002)
Wind Gust		44.9 ^km/h		66.6 ^km/h (2004)
Precipitation	19.81 ^mm			94.49 ^mm (2002)

Weather Element	Average
Visibility	14 ^km
Wind Direction	SSE (151.1 °)

Weather Element	Total
Heating Degree Days	16.7 (Base 18.3)
Growing Degree Days	4.1 (Base 10)

Total Years on Record: 21

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